20951234

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{1361}}^1$

素因数の和:1585

約数の個数: 16

約数和(自身を含む): 32361120

約数和(自身を除く): 11409886

約数列:

[1, 2, 43, 86, 179, 358, 1361, 2722, 7697, 15394, 58523, 117046, 243619, 487238, 10475617, 20951234]

約数ペア:

[(1, 20951234), (2, 10475617), (43, 487238), (86, 243619), (179, 117046), (358, 58523), (1361, 15394), (2722, 7697)]